Transsexual people are sometimes referred to with directional terms, such as "female-to-male" for a transsexual man, abbreviated to "F2M", "FTM", and "F to M", or "male-to-female" for a transsexual woman, abbreviated "M2F", "MTF" and "M to F".Individuals who have undergone and completed sex reassignment surgery are sometimes referred to as transsexed individuals; however, the term transsexed is not to be confused with the term transexual, which can also refer to individuals who have not yet undergone SRS, and whose anatomical sex (still) does not match their psychological sense of personal gender identity.
For them, their sex organs, the primary (testes) as well as the secondary (penis and others) are disgusting deformities that must be changed by the surgeon's knife.
Transexuality was included for the first time in the DSM-III in 1980 and again in the DSM-III-R in 1987, where it was located under Disorders Usually First Evident in Infancy, Childhood or Adolescence.
Like most new communications technologies, sex drove the early days of the Internet.
This program looks at the explosion of online sex sites.
In 1923, Hirschfeld introduced the (German) term "Transsexualismus", Benjamin went on to popularize the term in his 1966 book, The Transsexual Phenomenon, in which he described transsexual people on a scale (later called the "Benjamin scale") of three levels of intensity: "Transsexual (nonsurgical)", "Transsexual (moderate intensity)", and "Transsexual (high intensity)".